U.S. Watch Co. (Waltham, Mass) Pocket Watch: Serial Number 105442 (Grade 84)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/u.s.-watch-co.-waltham-mass/105442

Access Date: November 10, 2024

Due to the lack of existing factory records, our U.S. Watch Co. (Waltham, Mass) database has been reconstructed using observations of known watches.
As a result, the information may contain inaccuracies. Please let us know if you have details that can improve the database.

The United States Watch Co. of Waltham, Massachusetts should not be confused with the more common American Waltham Watch Co. If the movement is NOT marked "U.S. Watch Co." or "United States Watch Co." please conduct a lookup under the American Waltham Watch Company.

From the American Horology Archive:

U.S. Watch Co. (Waltham, Mass)

Grade: 84

Manufacturer:	U.S. Watch Co. (Waltham, Mass)
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	105442
Grade:	84
Model:	1892
Estimated Production Year:	1893
Run Quantity:	100
Grade/Model Run:	3 of 6
Grade/Model Total Production:	700
Variant Est. Production:	600 (18S-M1892-15J-ONL)
Size:	18s
Jewels:	15j
Jewel Setting:	Screw-Set
Movement Configuration:	Openface
Movement Finish:	Nickel
Movement Setting:	Lever
Plate:	Full Plate
Regulator:	Matheson
Hairspring:	Breguet
Standard Dial Type:	Single-Sunk
Adjusted:	No
Railroad Grade:	No
U.S. Patents:	308409, 493508
Movement Markings:	U.S. Watch Co. Waltham, Mass.
Case:	Various
Run ID:	165.84G3.18S80.181892M11.O51.L123.15J50
Database Version:	v52.431
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	2.10
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	14.11
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.205%
Registry Population: Scoped for This Run Only	2 (2.00%)

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Production Metrics Tree: Grade 84

Target Profile: 18S-M1892-15J-ONL-U

U.S. Watch Co. (Waltham, Mass) Grade 84 (All Variations): 700 ETP
18S: 700 100.00% 18s, Grade 84
18S-M1892: 700 100.00% 18s, Grade 84, Model 1892
18S-M1892-15J: 700 100.00% 18s, Grade 84, Model 1892, 15 Jewels
18S-M1892-15J-ONL: 600 85.71% 18s, Grade 84, Model 1892, 15 Jewels, Openface/Lever/Nickel	Other: 100 Other Configs or Unclassified
18S-M1892-15J-ONL-U: 600 85.71%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
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